Fine net fabric (5)
I believe the answer is:
tulle
'fine net fabric' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for tulle that I've seen before include "Delicate silk fabric" , "French town" , "Fine silky net used in veils" , "What veils the bride" , "Thin silk network fabric" .)